Preface
Why are some teams so much better—or worse—than others at
using experts’ knowledge to crack tough problems?
I first became intrigued by this question when I was a management
consultant for McKinsey & Company in London, Johannesburg,
and New York. At McKinsey, we approached nearly every client
engagement with a team. Many of my teammates had not just solid
business training but also fascinating backgrounds— astrophysicists,
medical doctors, former lawyers, and military officers—that gave
them unique perspectives on our work. But on multiple occasions,
I wound up asking myself very similar questions: Is this collab-
oration producing exemplary results? Are we integrating all our
unique knowledge to create a whole that is more than the sum ...